function ValidateTracking()
{
  if (document.FormParcelTracking.TrackingNumber.value=='')
  {
    alert('Please fill in your Tracking Number.');
    return false;
  }
  return true;
}

function isEmail(ParamString)
{
  return (ParamString.indexOf("@")>0 && ParamString.lastIndexOf(".") > (ParamString.indexOf("@")+2) && ParamString.length > (ParamString.lastIndexOf(".")+2));
}

function AddFavorites(ParamTitle, ParamURL)
{
  if (document.all)
    window.external.AddFavorite(ParamURL, ParamTitle);
  else if (window.sidebar)
    window.sidebar.addPanel(ParamTitle, ParamURL, '');
}

function ShowPopup(ParamEvent, ParamWidth, ParamHeight, ParamLayer, ParamVisible)
{
  var box = document.getElementById(ParamLayer);
  var cleft = 0;
  var ctop = 0;
  var obj = ParamEvent;
  while (obj.offsetParent) {
    cleft += obj.offsetLeft;
    ctop += obj.offsetTop;
    obj = obj.offsetParent;
  }
  box.style.left = cleft + 'px';
  ctop += ParamEvent.offsetHeight + 8;
  if (document.body.currentStyle &&
    document.body.currentStyle['marginTop']) {
    ctop += parseInt(
      document.body.currentStyle['marginTop']);
  }
  box.style.top = ctop + 'px';
  box.style.position = 'absolute';
  box.style.border = '1px dashed #999999';
  box.style.backgroundColor = 'LightYellow';
  box.style.padding = '5px';
  if (ParamWidth>0)  box.style.width = ParamWidth + 'px';
  if (ParamHeight>0) box.style.height = ParamHeight + 'px';
  if (ParamVisible)
  { box.style.display='block'; }
  else
  { box.style.display='none'; }
}